src/IO/ZipLineReader.hpp

   1 /*
   2 Copyright_License {
   3
   4   XCSoar Glide Computer - http://www.xcsoar.org/
   5   Copyright (C) 2000-2013 The XCSoar Project
   6   A detailed list of copyright holders can be found in the file "AUTHORS".
   7
   8   This program is free software; you can redistribute it and/or
   9   modify it under the terms of the GNU General Public License
  10   as published by the Free Software Foundation; either version 2
  11   of the License, or (at your option) any later version.
  12
  13   This program is distributed in the hope that it will be useful,
  14   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16   GNU General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with this program; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 }
  22 */
  23
  24 #ifndef XCSOAR_IO_ZIP_LINE_READER_HPP
  25 #define XCSOAR_IO_ZIP_LINE_READER_HPP
  26
  27 #include "ZipSource.hpp"
  28 #include "LineSplitter.hpp"
  29 #include "ConvertLineReader.hpp"
  30
  31 /**
  32  * Glue class which combines ZipSource, LineSplitter and
  33  * ConvertLineReader, and provides a public TLineReader interface.
  34  */
  35 class ZipLineReaderA : public NLineReader {
  36 protected:
  37   ZipSource zip;
  38   LineSplitter splitter;
  39
  40 public:
  41   ZipLineReaderA(struct zzip_dir *dir, const char *path)
  42     :zip(dir, path), splitter(zip) {}
  43   ZipLineReaderA(const char *path)
  44     :zip(path), splitter(zip) {}
  45 #ifdef _UNICODE
  46   ZipLineReaderA(const TCHAR *path)
  47     :zip(path), splitter(zip) {}
  48 #endif
  49
  50   bool error() const {
  51     return zip.error();
  52   }
  53
  54 public:
  55   /* virtual methods from class NLineReader */
  56   virtual char *ReadLine() override;
  57   virtual long GetSize() const override;
  58   virtual long Tell() const override;
  59 };
  60
  61 /**
  62  * Glue class which combines ZipSource, LineSplitter and
  63  * ConvertLineReader, and provides a public TLineReader interface.
  64  */
  65 class ZipLineReader : public TLineReader {
  66 protected:
  67   ZipSource zip;
  68   LineSplitter splitter;
  69   ConvertLineReader convert;
  70
  71 public:
  72   ZipLineReader(const char *path,
  73                 ConvertLineReader::charset cs=ConvertLineReader::UTF8)
  74     :zip(path), splitter(zip), convert(splitter, cs) {}
  75 #ifdef _UNICODE
  76   ZipLineReader(const TCHAR *path,
  77                 ConvertLineReader::charset cs=ConvertLineReader::UTF8)
  78     :zip(path), splitter(zip), convert(splitter, cs) {}
  79 #endif
  80
  81   bool error() const {
  82     return zip.error();
  83   }
  84
  85 public:
  86   /* virtual methods from class TLineReader */
  87   virtual TCHAR *ReadLine() override;
  88   virtual long GetSize() const override;
  89   virtual long Tell() const override;
  90 };
  91
  92 #endif